Eugen Brenner Ivo Derado Specifying a Certification Process for COTS Software Components Using UML. 291-297 2001 conf/isorc/2001 ISORC http://csdl.computer.org/comp/proceedings/isorc/2001/1089/00/10890291abs.htm db/conf/isorc/isorc2001.html#BrennerD01